Nancy Ruth Morin

Ravenella griffinii is a species of bellflower known by the common name Griffin's bellflower. It is endemic to California, where it grows in the North and Central Coast Ranges in chaparral habitat on serpentine soils. This is an annual herb producing a thin, erect stem up to 20 centimeters tall. The leathery leaves are linear in shape, toothed along the edges, and less than a centimeter long. The stem and foliage are sometimes reddish in color and may have stiff hairs. The small, cylindrical flower is pale blue to white and less than 4 millimeters long. The fruit is an oblong, ribbed capsule.

Ravenella sharsmithiae is a rare species of bellflower known by the common names Mt. Hamilton bellflower and Sharsmith's harebell. It is endemic to California, where it is known from just a few occurrences in the higher mountain peaks just south of the San Francisco Bay Area, including Mt. Hamilton and Mount Boardman in the Diablo Range. It is a small, hairy annual herb producing an erect stem up to 25 centimeters tall. The fleshy, toothed leaves are a centimeter long or less. The flower is funnel- or bell-shaped and purple in color. The plant is named for late local botanist Helen Sharsmith.

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Nemacladus calcaratus is a rare species of flowering plant in the bellflower family known by the common name Chimney Creek nemacladus. It is endemic to Tulare County, California, where it is known only from Chimney Creek in the southern Sierra Nevada east of Lake Isabella. It occurs in woodland habitat on sandy granitic substrate. It was first collected in 1986 and described to science as a new species in 2008. This is a petite annual herb with an angular, slightly hairy, sometimes red-tinged stem just a few centimeters long. The lance-shaped leaves are just a few millimeters long, green to

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Palustricodon is a genus of flowering plants in the family Campanulaceae. It includes two species native to central and eastern Canada and the eastern and central United States. Palustricodon aparinoides (Pursh) Morin – central and eastern Canada and the eastern and central United States Palustricodon uliginosus (Rydb.) A.Haines – central and eastern Canada and northeastern and north-central United States

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Smithiastrum wilkinsianum is a rare species of bellflower known by the common name Wilkins' bellflower.

Smithiastrum prenanthoides, commonly known as the California harebell, is a perennial flowering plant in the Campanulaceae. It was formerly classified as a member of either Campanula or Asyneuma and was re-split following the discovery that genera in the family are polyphyletic. S. prenanthoides belongs to one of several small genera in the Campanulaceae native to California and grows in montane coniferous forests.

Smithiastrum is a genus of plants in the Campanulaceae or bellflower family found in the western United States. Its members, which are commonly known as harebells, were previously included in the family's type genus, Campanula, but were segregated when it was found that Campanula was polyphyletic. As of 2023, Smithiastrum comprises two species.

Rotanthella is a genus of flowering plants in the family Campanulaceae. It includes a single species, Rotanthella floridana, commonly known as the Florida bellflower, a perennial endemic to Florida. The species was first described as Campanula floridana in 1878. In 2020 Nancy Ruth Morin placed the species in the newly described monotypic genus Rotanthella as Rotanthella floridana.

Rotanthella is a genus of flowering plants in the family Campanulaceae. It includes a single species, Rotanthella floridana, commonly known as the Florida bellflower, a perennial endemic to Florida. The species was first described as Campanula floridana in 1878. In 2020 Nancy Ruth Morin placed the species in the newly described monotypic genus Rotanthella as Rotanthella floridana.

Ravenella is a genus of plants in family Campanulaceae. It includes four species endemic to California. Ravenella angustiflora (Eastw.) Morin Ravenella exigua (Rattan) Morin Ravenella griffinii (Morin) Morin Ravenella sharsmithiae (Morin) Morin

Protocodon robinsiae (synonym Campanula robinsiae) is a rare species of flowering plant in the bellflower family known by the common names Brooksville bellflower, Robins' bellflower, and Chinsegut bellflower. It is the sole species in genus Protocodon. It is an annual plant endemic to Florida, where it is known from four or five occurrences in Hernando and Hillsborough Counties. Its population has fluctuated throughout the years; at one point in the early 1980s it was feared extinct. Today there are two populations in Hernando County and probably three in Hillsborough River State Park. At the

Poolea is a genus of flowering plants in the family Campanulaceae. It includes a single species, Poolea reverchonii, an annual endemic to central Texas.

Poolea is a genus of flowering plants in the family Campanulaceae. It includes a single species, Poolea reverchonii, an annual endemic to central Texas.

Palustricodon aparinoides, the marsh bellflower, is a species of flowering plant in the family Campanulaceae. It is native to cool-temperate areas of central and eastern Canada and the north-central and eastern United States, and it has been introduced to Washington state and Finland. A perennial herb, it is an obligate wetland species. Under its synonym Campanula aparinoides it has been assessed as Least Concern.

Melancalyx uniflora, known commonly as arctic bellflower and arctic harebell, is a short and slender rhizomatous perennial in the bellflower family Campanulaceae. It is distributed in arctic North America, including the Rocky Mountains and Greenland, in the Asian part of Beringia and in Iceland, Svalbard, the Scandes Mountains and Novaja Zemlja. The species was recorded by Linnaeus on his 1732 expedition to Lapland and described in his Flora Lapponica (1737).

Melanocalyx is a genus of flowering plants in the family Campanulaceae. It includes two species native to subarctic regions of Eurasia and North America and subalpine regions of the Rocky Mountains of western Canada and the west-central United States. Melanocalyx tschuktschorum (Jurtzev & Fed.) Khoreva Melanocalyx uniflora (L.) Morin

Limnanthes striata was formerly a species of meadowfoam known by the common name foothill meadowfoam. It has recently been subsumed into the species Limnanthes douglasii in both the Jepson Manual and the Flora of North America. This plant is endemic to California, where it is known from the Sierra Nevada foothills and the southern Klamath Mountains. It grows in wet, grassy habitat, carpeting the edges of vernal pools and ephemeral creeks.

Ravenella angustiflora is a species of flowering plant in the bellflower family Campanulaceae. It is known by the common name Eastwood's bellflower. It is endemic to California, where it grows in the serpentine soils of the hills and mountains surrounding the San Francisco Bay Area. It is a flower of the chaparral plant community. This is a hairy annual herb producing a thin, branching stem up to 20 centimeters (8 in) tall. The leaves are leathery in texture and oval in shape, measuring between 0.5 and 1 centimeter (0.2 and 0.4 in) in length, with a few teeth along the edges. The bell-shaped

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